kubernetes-sigs/metrics-server v0.7.0

on GitHub

Installation

kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/download/v0.7.0/components.yaml

Changes since v0.6.4

Logging flags that are klog specific (--log-dir, --log-file, --logtostderr, --alsologtostderr, --one-output, --stderrthreshold, --log-file-max-size, --skip-log-headers, --add-dir-header, --skip-headers, --log-backtrace-at) were deprecated in v0.6.1 and are now removed.

Improvements

• Support producing logs in JSON format (@yangjunmyfm192085)
• Introduce --kubelet-request-timeout CLI flag to customize the timeout of requests to kubelet (@yangjunmyfm192085)
• Add the ability to exclude nodes by labels via the --node-selector flag (@yangjunmyfm192085)
• Disable DWARF generation when compiling the binary to reduce its size (@mattmoor)
• Support modifying the metric collection path on nodes via the metrics.k8s.io/resource-metrics-path annotation on the nodes (@wzshiming)
• Add release binaries to the Github release artifacts (@wzshiming)
• Bump Golang to v1.21.6 and Kubernetes clients to v0.29.0

Optimizations

• Remove redundant informer startup (@yangjunmyfm192085)

Fixes

• Handle malformed metrics from Kubelet (@XiaoXiaoSN)
• Handle Kernel bug leading to incorrect CPU usage data (@sleepyzhang)

Tests

• Add fuzzing testing (@yangjunmyfm192085)
• Add resource usage tests (@yangjunmyfm192085)
• Add tests for sidecar containers (@yangjunmyfm192085)
• Configure e2e tests to be arm & darwin compatible (@josh-ferrell)
• Test against Kubernetes 1.27, 1.28, 1.29 (@yangjunmyfm192085)

Manifests

• Migrate to a base-components-overlays structure (@maxbrunet)
• Update PodDisruptionBudget to policy/v1 (@yangjunmyfm192085)
• Add version-specific HA manifests (@dgrisonnet)
• Permit running metrics-server under PodSecurity restricted (@jcpunk)
• Update autoscaling configuration to follow README recommendation (@serathius)
• Add containerSecurityContext for addonResizer (@the-technat)

Documentations

• Add new scenarios to the KNOWN_ISSUES (@serathius, @maxmetalm, @yangjunmyfm192085)
• Document CLI flags (@serathius)
• Document metrics-server's network requirements (@yangjunmyfm192085, @serathius)
• Improve high-availability guidelines (@sherifabdlnaby)